Esteroides y derivados
Los esteroides son compuestos orgánicos que poseen una estructura de cuatro anillos fusionados, conocida como el núcleo esteroídico. Este núcleo puede unirse a varios grupos funcionales que modifican sus propiedades y funciones biológicas. Los esteroides tienen un papel clave en la regulación de procesos metabólicos y hormonales. Se utilizan en medicina para tratar trastornos inflamatorios, autoinmunes y desequilibrios hormonales. Además, algunos derivados esteroides tienen propiedades antiinflamatorias potentes, como los corticosteroides. En terapias específicas, se usan para reducir la inflamación y controlar el dolor en diversas enfermedades.
En CymitQuimica contamos con una variedad de esteroides y sus derivados para investigación y desarrollo farmacéutico.
Se han encontrado 4967 productos de "Esteroides y derivados"
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(betaS,deltaS)-2-(4-Fluorophenyl)-β,δ-dihydroxy-5- (1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole- 1-heptanoic acid calcium salt (2:1)
CAS:<p>(betaS,deltaS)-2-(4-Fluorophenyl)-beta,delta-dihydroxy-5- (1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole- 1-heptanoic acid calcium salt (2:1) is a fluorinated derivative of the natural metabolite 2-(4-fluorophenyl)-beta,delta-dihydroxy -5-(1 methylethyl)-3 phenyl 4-[(phenylamino)carbonyl]-1H pyrrole 1 heptanoic acid. It is an enantiomer of the racemate with optical purity > 98%. The compound has been used as a pharmacological and supramolecular chemistry probe for assays and chemosensors.</p>Fórmula:C66H68CaF2N4O10Pureza:Min. 98 Area-%Forma y color:PowderPeso molecular:1,155.34 g/molDefluoro atorvastatin acetonide tert-butyl ester
CAS:<p>Please enquire for more information about Defluoro atorvastatin acetonide tert-butyl ester including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>Fórmula:C40H48N2O5Pureza:Min. 95%Forma y color:PowderPeso molecular:636.82 g/molAtorvastatin lactone
CAS:<p>Atorvastatin lactone is a prodrug for atorvastatin. It is an inhibitor of the enzyme HMG-CoA reductase, which is involved in cholesterol synthesis and reduces LDL cholesterol levels. Atorvastatin lactone is absorbed from the gut into the bloodstream and then converted to atorvastatin, which has a higher potency than atorvastatin lactone. This conversion occurs in the liver by cytochrome P450 enzymes, including cytochrome CYP3A4. The pharmacokinetics of atorvastatin lactone are influenced by drugs that inhibit these enzymes. Atorvastatin and its metabolites are excreted in human serum as glucuronide or sulfate conjugates.</p>Fórmula:C33H33FN2O4Pureza:Min. 98 Area-%Forma y color:PowderPeso molecular:540.62 g/molDesfluoro atorvastatin
CAS:<p>Desfluoro atorvastatin is a crystalline polymorph of atorvastatin that has been shown to have improved flowrate and dissolution profile compared with the conventional form. Desfluoro atorvastatin is synthesized by adding a fluorine atom to a specific position in the molecule. The synthesis procedure includes chromatographic purification and analysis of impurities, which are then eliminated by diode laser irradiation. Impurities may also be eliminated through hydrogenation or recrystallization.</p>Fórmula:C33H36N2O5Pureza:Min. 95%Forma y color:PowderPeso molecular:540.65 g/molDifluoro atorvastatin
CAS:<p>Difluoro atorvastatin is a filtrate of atorvastatin, which is a cholesterol-lowering drug. It is synthesized by reacting butyric acid with atorvastatin in an organic solvent. The reaction solution was filtered to remove impurities and then purified by liquid chromatography. The product was characterized by diffraction and LC-MS analysis. Difluoro atorvastatin has a high purity and is suitable for further use in the preparation of pharmaceuticals.</p>Fórmula:C33H34F2N2O5Pureza:Min. 95%Peso molecular:576.63 g/molFluticasone propionate EP Impurity F
CAS:<p>Fluticasone Propionate EP Impurity F is an impurity of Fluticasone Propionate. Fluticasone Propionate is a synthetic glucocorticoid used in the treatment of asthma and other allergic disorders. Impurity F is a metabolite of Fluticasone Propionate and has been detected in human plasma at low levels (5% of total fluticasone propionate). The metabolism of Fluticasone Propionate to Impurity F has been studied in rat, mouse, dog and man.<br>br>br><br>The following table summarizes the metabolic pathways that have been identified for this impurity:<br>br>br><br>Metabolism studies indicate that Impurity F is mainly metabolized by CYP3A4 to form conjugates with glucuronic acid or sulfates. It may also be hydrolyzed to form 5α-flurostan-3β,17β-d</p>Fórmula:C25H29F3O5SPureza:Min. 95%Forma y color:PowderPeso molecular:498.56 g/mol(R)-4-((5S,7R,8R,9S,10S,12S,13R,14S,17R)-7,12-dihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:Pureza:95%Peso molecular:392.58Bexarotene
CAS:<p>Bexarotene (LGD1069) is a retinoid analogue that is used to treat the skin manifestations of cutaneous T cell lymphoma (CTCL).</p>Fórmula:C24H28O2Pureza:99% - 99.65%Forma y color:White SolidPeso molecular:348.48Travoprost
CAS:<p>Travoprost (Fluprostenol isopropyl ester) is used to treat glaucoma and ocular hypertension,is a potent and selective FP prostaglandin receptor agonist.</p>Fórmula:C26H35F3O6Pureza:97.39% - 99.58%Forma y color:Colorless OilPeso molecular:500.55Atorvastatin
CAS:<p>Orally active atorvastatin inhibits HMG-CoA reductase, lowers lipids, hinders SV-SMC cell growth, and can up thrombotic risk with clopidogrel.</p>Fórmula:C33H35FN2O5Pureza:99.37% - 99.69%Forma y color:SolidPeso molecular:558.643-Oxo-4-aza-5a-androst-1-ene-17b-carboxylic Acid Methyl Ester
CAS:Producto controlado<p>Impurity Finasteride EP Impurity B<br>Applications 3-Oxo-4-aza-5α-αndrost-1-ene-17β-carboxylic Acid Methyl Ester (Finasteride EP Impurity B) is an impurity of Finasteride (F342000) and Dutasteride (D735000). An intermediate in the synthesis of Finasteride and Dutasteride, 5α-reductase inhibitors used for treatment of benign prostatic hyperplasia acne, seborrhea, female hirsutism, prostatitis, and prostatic carcinoma and other hyperandrogenetic related disorders. Finasteride impurity.<br>References Bakshi., et al.: J. Med. Chem., 38, 3189 (1995),<br></p>Fórmula:C20H29NO3Forma y color:White To Off-WhitePeso molecular:331.4513-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol(Levo Norgestrel Impurity)
CAS:Producto controlado<p>Impurity Levonorgestrel EP Impurity C<br>Applications 13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol (Levonorgestrel EP Impurity C) is an impurity of Levonorgestrel.<br></p>Fórmula:C23H28OForma y color:NeatPeso molecular:320.47(4S,cis)-1,1-Dimethylethyl-6-aminoethyl-2,2-dimethyl-1,3-dioxane-4-acetate
CAS:Producto controlado<p>Applications An impurity of Atorvastatin.<br>References Graul, A., et al.: Drugs Fut. 22, 956 (1997),<br></p>Fórmula:C14H27NO4Forma y color:NeatPeso molecular:273.37Estradiol 3-Valerate
CAS:Producto controlado<p>Applications Estradiols ester used in polymeric matrix for transdermal treatment of osteoporosis.<br>References Tripathi, V.N., et al.: Can. J. Animal Sci., 48, 449 (1968),<br></p>Fórmula:C23H32O3Forma y color:NeatPeso molecular:356.5116-Methyl-17,20:20,21-bis[methylenebis(oxy)]-pregn-4-ene-3,11-dione
CAS:Producto controladoFórmula:C24H32O6Forma y color:NeatPeso molecular:416.51Vitamin D3 b-D-Glucuronide, >90%
CAS:Producto controlado<p>Stability Temperature and Light Sensitive<br>Applications A metabolite of Vitamin D3.<br>References Bell, P.A., et al.: Biochem. J., et al.: 115, 663 (1969), Kumar, R.S., et al.: J. Clin. Invest., 65, 277 (1980), Shimada, K., et al.: Biol. Pharm. Bull., 19, 491 (1996),<br></p>Fórmula:C33H52O7Pureza:>90%Forma y color:NeatPeso molecular:560.76Exemestane-13C,D3
CAS:Producto controlado<p>Applications Exemestane-13C,D3 is the labeled analogue of Exemestane (E957000), an antineoplastic (hormonal).<br>References Giudici, D., et al.: J. Steroid Biochem., 30, 391 (1988), Evans, T.R.J., et al.: Cancer Res., 52, 5933 (1992), Zilembo, N., et al.: Brit. J. Cancer, 72, 1007 (1995)<br></p>Fórmula:C1913CH21D3O2Forma y color:NeatPeso molecular:300.41Ciclesonide-d11 (Mixture of Diastereomers)
CAS:Producto controlado<p>Applications A labelled glucocorticoid microemulsion nasal preparation allergy inhibitor rhinitis.This compound is a mixture of diastereomers at the cyclohexyl acetal.<br>References Fukuoka, E., et al.: Chem. Pharm. Bull., 35, 2943 (1987), Schmitt, E., et al.: J. Pharm. Sci., 88, 291 (1999), Hancock, B., et al.: Pharm. Res., 17, 397 (2000), Hogan, S., et al.: Pharm. Res., 18, 112 (2001).<br></p>Fórmula:C32D11H33O7Forma y color:NeatPeso molecular:551.7611β,16α,17α,21-Tetrahydroxypregna-1,4-diene-3,20-dione-d3
Producto controlado<p>Applications A labelled metabolite of Budesonide (B689490), an antiinflammatory agent.<br>References Cserhati, T., et al.: J. Pharm. Biomed. Anal., 22, 25 (2000), Dilger, K., et al.: J. Clin. Pharmacol., 47, 1532 (2007), Buchwald, P., et al.: Steroids, 73, 193 (2008),<br></p>Fórmula:C21H25D3O6Forma y color:NeatPeso molecular:379.46
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